51108201 has 9 divisors (see below), whose sum is σ = 73853949. Its totient is φ = 34057836.

The previous prime is 51108199. The next prime is 51108217. The reversal of 51108201 is 10280115.

The square root of 51108201 is 7149.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 51108201 - 2¹ = 51108199 is a prime.

It is a super-2 number, since 2×51108201² = 5224096418912802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51108241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20256 + ... + 22638.

Almost surely, 2^51108201 is an apocalyptic number.

51108201 is the 7149-th square number.

51108201 is the 3575-th centered octagonal number.

It is an amenable number.

51108201 is a deficient number, since it is larger than the sum of its proper divisors (22745748).

51108201 is an frugal number, since it uses more digits than its factorization.

51108201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The cubic root of 51108201 is about 371.1050503756.

Adding to 51108201 its reverse (10280115), we get a palindrome (61388316).

The spelling of 51108201 in words is "fifty-one million, one hundred eight thousand, two hundred one".